Fix build problems related to profile-directed optimization

[git.git] / Makefile

diff --git a/Makefile b/Makefile
index 9470a1034396a5f3ee36c5d0e6ffc54e21bb3820..ceb9dfc87d4a716518e856ab6305609af835a41d 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -245,6 +245,9 @@ all::
 #
 # Define NO_REGEX if you have no or inferior regex support in your C library.
 #
+# Define HAVE_DEV_TTY if your system can open /dev/tty to interact with the
+# user.
+#
 # Define GETTEXT_POISON if you are debugging the choice of strings marked
 # for translation.  In a GETTEXT_POISON build, you can turn all strings marked
 # for translation into gibberish by setting the GIT_GETTEXT_POISON variable
@@ -543,6 +546,7 @@ LIB_H += compat/bswap.h
 LIB_H += compat/cygwin.h
 LIB_H += compat/mingw.h
 LIB_H += compat/obstack.h
+LIB_H += compat/terminal.h
 LIB_H += compat/win32/pthread.h
 LIB_H += compat/win32/syslog.h
 LIB_H += compat/win32/poll.h
@@ -585,6 +589,7 @@ LIB_H += parse-options.h
 LIB_H += patch-ids.h
 LIB_H += pkt-line.h
 LIB_H += progress.h
+LIB_H += prompt.h
 LIB_H += quote.h
 LIB_H += reflog-walk.h
 LIB_H += refs.h
@@ -632,6 +637,7 @@ LIB_OBJS += color.o
 LIB_OBJS += combine-diff.o
 LIB_OBJS += commit.o
 LIB_OBJS += compat/obstack.o
+LIB_OBJS += compat/terminal.o
 LIB_OBJS += config.o
 LIB_OBJS += connect.o
 LIB_OBJS += connected.o
@@ -694,6 +700,7 @@ LIB_OBJS += pkt-line.o
 LIB_OBJS += preload-index.o
 LIB_OBJS += pretty.o
 LIB_OBJS += progress.o
+LIB_OBJS += prompt.o
 LIB_OBJS += quote.o
 LIB_OBJS += reachable.o
 LIB_OBJS += read-cache.o
@@ -856,6 +863,7 @@ ifeq ($(uname_S),Linux)
        NO_MKSTEMPS = YesPlease
        HAVE_PATHS_H = YesPlease
        LIBC_CONTAINS_LIBINTL = YesPlease
+       HAVE_DEV_TTY = YesPlease
 endif
 ifeq ($(uname_S),GNU/kFreeBSD)
        NO_STRLCPY = YesPlease
@@ -917,6 +925,7 @@ ifeq ($(uname_S),Darwin)
        endif
        NO_MEMMEM = YesPlease
        USE_ST_TIMESPEC = YesPlease
+       HAVE_DEV_TTY = YesPlease
 endif
 ifeq ($(uname_S),SunOS)
        NEEDS_SOCKET = YesPlease
@@ -1685,6 +1694,10 @@ ifdef HAVE_LIBCHARSET_H
        BASIC_CFLAGS += -DHAVE_LIBCHARSET_H
 endif
 
+ifdef HAVE_DEV_TTY
+       BASIC_CFLAGS += -DHAVE_DEV_TTY
+endif
+
 ifdef DIR_HAS_BSD_GROUP_SEMANTICS
        COMPAT_CFLAGS += -DDIR_HAS_BSD_GROUP_SEMANTICS
 endif
@@ -1755,6 +1768,24 @@ ifdef ASCIIDOC7
        export ASCIIDOC7
 endif
 
+### profile feedback build
+#
+
+# Can adjust this to be a global directory if you want to do extended
+# data gathering
+PROFILE_DIR := $(CURDIR)
+
+ifeq "$(PROFILE)" "GEN"
+       CFLAGS += -fprofile-generate=$(PROFILE_DIR) -DNO_NORETURN=1
+       EXTLIBS += -lgcov
+       export CCACHE_DISABLE=t
+       V=1
+else ifneq "$(PROFILE)" ""
+       CFLAGS += -fprofile-use=$(PROFILE_DIR) -fprofile-correction -DNO_NORETURN=1
+       export CCACHE_DISABLE=t
+       V=1
+endif
+
 # Shell quote (do not use $(call) to accommodate ancient setups);
 
 SHA1_HEADER_SQ = $(subst ','\'',$(SHA1_HEADER))
@@ -1811,7 +1842,17 @@ export DIFF TAR INSTALL DESTDIR SHELL_PATH
 
 SHELL = $(SHELL_PATH)
 
-all:: shell_compatibility_test $(ALL_PROGRAMS) $(SCRIPT_LIB) $(BUILT_INS) $(OTHER_PROGRAMS) GIT-BUILD-OPTIONS
+all:: shell_compatibility_test
+
+ifeq "$(PROFILE)" "BUILD"
+ifeq ($(filter all,$(MAKECMDGOALS)),all)
+all:: profile-clean
+       $(MAKE) PROFILE=GEN all
+       $(MAKE) PROFILE=GEN -j1 test
+endif
+endif
+
+all:: $(ALL_PROGRAMS) $(SCRIPT_LIB) $(BUILT_INS) $(OTHER_PROGRAMS) GIT-BUILD-OPTIONS
 ifneq (,$X)
        $(QUIET_BUILT_IN)$(foreach p,$(patsubst %$X,%,$(filter %$X,$(ALL_PROGRAMS) $(BUILT_INS) git$X)), test -d '$p' -o '$p' -ef '$p$X' || $(RM) '$p';)
 endif
@@ -2539,7 +2580,11 @@ distclean: clean
        $(RM) configure
        $(RM) po/git.pot
 
-clean:
+profile-clean:
+       $(RM) $(addsuffix *.gcda,$(addprefix $(PROFILE_DIR)/, $(object_dirs)))
+       $(RM) $(addsuffix *.gcno,$(addprefix $(PROFILE_DIR)/, $(object_dirs)))
+
+clean: profile-clean
        $(RM) *.o block-sha1/*.o ppc/*.o compat/*.o compat/*/*.o xdiff/*.o vcs-svn/*.o \
                builtin/*.o $(LIB_FILE) $(XDIFF_LIB) $(VCSSVN_LIB)
        $(RM) $(ALL_PROGRAMS) $(SCRIPT_LIB) $(BUILT_INS) git$X
@@ -2569,7 +2614,7 @@ ifndef NO_TCLTK
 endif
        $(RM) GIT-VERSION-FILE GIT-CFLAGS GIT-LDFLAGS GIT-GUI-VARS GIT-BUILD-OPTIONS
 
-.PHONY: all install clean strip
+.PHONY: all install profile-clean clean strip
 .PHONY: shell_compatibility_test please_set_SHELL_PATH_to_a_more_modern_shell
 .PHONY: FORCE cscope
 
@@ -2679,18 +2724,3 @@ cover_db: coverage-report
 cover_db_html: cover_db
        cover -report html -outputdir cover_db_html cover_db
 
-### profile feedback build
-#
-.PHONY: profile-all profile-clean
-
-PROFILE_GEN_CFLAGS := $(CFLAGS) -fprofile-generate -DNO_NORETURN=1
-PROFILE_USE_CFLAGS := $(CFLAGS) -fprofile-use -fprofile-correction -DNO_NORETURN=1
-
-profile-clean:
-       $(RM) $(addsuffix *.gcda,$(object_dirs))
-       $(RM) $(addsuffix *.gcno,$(object_dirs))
-
-profile-all: profile-clean
-       $(MAKE) CFLAGS="$(PROFILE_GEN_CFLAGS)" all
-       $(MAKE) CFLAGS="$(PROFILE_GEN_CFLAGS)" -j1 test
-       $(MAKE) CFLAGS="$(PROFILE_USE_CFLAGS)" all